Fig. 1
TBrPP-Co/AGNR heterostructures. a Structure of 7-AGNR (top) and TBrPP-Co (bottom). b A scanning tunneling microscope (STM) image showing AGNRs with various widths on Au(111) (16.5 × 16.5 nm2, I t = 1 × 10−10 A, V t = 1 V). Here, 1, 2, 3 and 4 label 7, 14, 21 and 28-AGNR, respectively. c dI/dV spectroscopy scan as a function of distance measured along a white line in b. Regions 1, 2 and 4 label corresponding AGNRs in b and 0 is Au(111). The arrows indicate the edge of AGNRs, while the red dot line marks the Shockley surface state (SS) on-set of Au(111). (Tip set-point: I 0 = 1.0 × 10−10 A, V 0 = 1.0 V). d An STM image shows TBrPP-Co clusters grow in between AGNRs on Au(111) (31 × 31 nm2, I t = 3 × 10−11 A, V t = −0.1 V). e STM image of a single TBrPP-Co adsorbs on Au(111) between two AGNRs (11 × 11 nm2, I t = 5 × 10−11 A, V t = −0.2 V). f STM image of TBrPP-Co molecular chains formed on top of AGNR (10 × 10 nm2, I t = 1 × 10−11 A, V t = 0.4 V)
